WE Report

Lessons Learned

Lesson Learned





By: Drilling Engineer

Report No.

5909

Discipline/Origin

Drilling
No origin

Well

Norma
25/7-11 S

Date created

2023/09/05
824 days ago

Project Phase

Operational
Project Phase

LL Type/Classification

Cement
Positive

Deepsea Yantai


What happened in P&A:
Due to high percentage of gas in the mud return the interface had to go over the shaker system and degasser to decrease the gas in the mud.

What Was Planned

During the P&A/KO cement job the plan was to by-pass the shakers when the interface came in return

What Was Learned

The interface volume increased when sending over shakers/more contaminated mud.

EDITOR


CLOSE LL (testing)





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